Digital Elevation Model

General info
Category: 
Scale: 
1/100 000 to 1/25 000
Spatial resolution: 
30 to 10m
Required processing: 
Quality check and enhancement.
Data requirements: 

ASTER GDEM

Global Digital Elevation Model covering 99% of Earth surfaces with 1 arc-second (30 m) grid of elevation postings.

Why using remote sensors?: 

A Digital Elevation Model allows to visualise the altitude, relief, the slopes, the valley, … It may support the battle field reconstruction.